[jira] [Created] (HDFS-11740) Ozone: Improve the time interval to run different DatanodeStateMachine state tasks

["Weiwei Yang (JIRA)" <ji...@apache.org>]

Weiwei Yang created HDFS-11740:
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             Summary: Ozone: Improve the time interval to run different DatanodeStateMachine state tasks
                 Key: HDFS-11740
                 URL: https://issues.apache.org/jira/browse/HDFS-11740
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
            Reporter: Weiwei Yang
            Assignee: Weiwei Yang


Currently datanode state machine transitioned between tasks in a fixed time interval, defined by {{ScmConfigKeys#OZONE_SCM_HEARTBEAT_INTERVAL_SECONDS}}, the default value is 30s. Once datanode is started, it will need 90s before transited to {{Heartbeat}} state, such a long lag is not necessary. Propose to improve the logic of time interval handling, it seems only the heartbeat task needs to be scheduled in {{OZONE_SCM_HEARTBEAT_INTERVAL_SECONDS}} interval, rest should be done without any lagging.



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